Chloroquine phosphate accelerates the conversion of nucleic acid to negative in 88 common COVID⁃19 pa⁃tients
LI Na, XIE Tian, WEI Xiaofen, YI Shengyang, CAO Yiqiu, JIANG Siyi, YU Xuetao
The Journal of Practical Medicine . 2020, (20): 2759 -2762 .  DOI: 10.3969/j.issn.1006⁃5725.2020.20.003